template struct Outputter; #if DEFAULT_CXX14 #if __cplusplus != 201402L Outputter<__cplusplus> o; #endif #elif DEFAULT_CXX11 #if __cplusplus != 201103L Outputter<__cplusplus> o; #endif #else #if !DEFAULT_CXX98 #error Buildsystem error #endif #if __cplusplus != 199711L && __cplusplus != 1 && \ !defined(__GXX_EXPERIMENTAL_CXX0X__) Outputter<__cplusplus> o; #endif #endif int main() { return 0; }